日期输入Date

//★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★

//日期输入                                                          

//使用案例:                                                        

//<input id='startDate' name='startDate' onclick='setday(this)' /> 

//                                                                 

//★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★

<!--

document.writeln('<div id=meizzDateLayer style="position: absolute; width: 142; height: 166; z-index: 9998; display: none">');

document.writeln('  <span id=tmpSelectYearLayer  style="z-index: 9999;position: absolute;top: 2; left: 18;display: none"></span>');

document.writeln('   <span id=tmpSelectMonthLayer style="z-index: 9999;position: absolute;top: 2; left: 75;display: none"></span>');

document.writeln('   <table border=0 cellspacing=1 cellpadding=0 width=142 height=160 bgcolor=#000000 onselectstart="return false">');

document.writeln('  <tr><td width=142 height=23 bgcolor=#FFFFFF>');

document.writeln('       <table border=0 cellspacing=1 cellpadding=0 width=140 height=23>');

document.writeln('     <tr align=center><td width=20 align=center bgcolor=#808080 style="font-size:12px;cursor: hand;color: #FFD700" onclick="meizzPrevM()" title="前一月" Author=meizz><b Author=meizz>&lt;</b></td>');

document.writeln('    <td width=100 align=center style="font-size:12px;cursor:default" Author=meizz>');

 

document.writeln('        <span Author=meizz id=meizzYearHead onmouseover="style.backgroundColor=/'yellow/'" onmouseout="style.backgroundColor=/'white/'" title="点击这里选择年份" onclick="tmpSelectYearInnerHTML(this.innerText)" style="cursor: hand;"></span>&nbsp;&nbsp;<span');

document.writeln('         id=meizzMonthHead Author=meizz onmouseover="style.backgroundColor=/'yellow/'" onmouseout="style.backgroundColor=/'white/'" title="点击这里选择月份" onclick="tmpSelectMonthInnerHTML(this.innerText)" style="cursor: hand;"></span>&nbsp;</td>');

 

document.writeln('        <td width=20 bgcolor=#808080 align=center style="font-size:12px;cursor: hand;color: #FFD700" ');

document.writeln('         onclick="meizzNextM()" title="后一月" Author=meizz><b Author=meizz>&gt;</b></td></tr>');

document.writeln('    </table></td></tr>');

document.writeln('  <tr><td width=142 height=18 bgcolor=#808080>');

document.writeln('<table border=0 cellspacing=0 cellpadding=0 width=140 height=1 style="cursor:default">');

document.writeln('<tr align=center><td style="font-size:12px;color:#FFFFFF" Author=meizz></td>');

document.writeln('<td style="font-size:12px;color:#FFFFFF" Author=meizz class="td1"></td><td style="font-size:12px;color:#FFFFFF" Author=meizz></td>');

document.writeln('<td style="font-size:12px;color:#FFFFFF" Author=meizz></td><td style="font-size:12px;color:#FFFFFF" Author=meizz></td>');

document.writeln('<td style="font-size:12px;color:#FFFFFF" Author=meizz></td><td style="font-size:12px;color:#FFFFFF" Author=meizz></td></tr>');

document.writeln('</table></td></tr><!-- Author:F.R.Huang(meizz) http://www.meizz.com/ mail: meizz@hzcnc.com 2002-10-8 -->');

document.writeln('  <tr><td width=142 height=120>');

document.writeln('    <table border=0 cellspacing=1 cellpadding=0 width=140 height=120 bgcolor=#FFFFFF>');

var n=0; for (j=0;j<5;j++){ document.writeln (' <tr align=center>'); for (i=0;i<7;i++){

document.writeln('<td width=20 height=20 id=meizzDay'+n+' style="font-size:12px" Author=meizz onclick=meizzDayClick(this.innerText)></td>');n++;}

document.writeln('</tr>');}

document.writeln('      <tr align=center><td width=20 height=20 style="font-size:12px" id=meizzDay35 Author=meizz ');

document.writeln('         onclick=meizzDayClick(this.innerText)></td>');

document.writeln('        <td width=20 height=20 style="font-size:12px" id=meizzDay36 Author=meizz onclick=meizzDayClick(this.innerText)></td>');

document.writeln('        <td colspan=5 align=right Author=meizz><span onclick=closeLayer() style="font-size:12px;cursor: hand"');

document.writeln('         Author=meizz title="返回(不选择日期)"><u>关闭</u></span>&nbsp;</td></tr>');

document.writeln('    </table></td></tr><tr><td>');

document.writeln('        <table border=0 cellspacing=1 cellpadding=0 width=100% bgcolor=#FFFFFF>');

document.writeln('          <tr><td Author=meizz align=left><input Author=meizz type=button value="<<" title="前一年" onclick="meizzPrevY()" ');

document.writeln('             onfocus="this.blur()" style="   cursor: hand;BACKGROUND-COLOR: #808080;BORDER-BOTTOM: #808080 1px outset; BORDER-LEFT: #808080 1px outset; BORDER-RIGHT: #808080 1px outset; BORDER-TOP: #808080 1px outset; FONT-SIZE: 12px; height: 20px;color: #FFD700; font-weight: bold"><input Author=meizz title="前一月" type=button ');

document.writeln('             value="<" onclick="meizzPrevM()" onfocus="this.blur()" style="cursor: hand;BACKGROUND-COLOR: #808080;BORDER-BOTTOM: #808080 1px outset; BORDER-LEFT: #808080 1px outset; BORDER-RIGHT: #808080 1px outset; BORDER-TOP: #808080 1px outset;font-size: 12px; height: 20px;color: #FFD700; font-weight: bold"></td><td ');

document.writeln('             Author=meizz align=center><input Author=meizz type=button value="重置" onclick="meizzToday()" ');

document.writeln('             onfocus="this.blur()" title="显示当前时间" style="cursor: hand;BACKGROUND-COLOR: #808080;BORDER-BOTTOM: #808080 1px outset; BORDER-LEFT: #808080 1px outset; BORDER-RIGHT: #808080 1px outset; BORDER-TOP: #808080 1px outset;font-size: 12px; height: 20px;color: #FFFFFF; font-weight: bold"></td><td ');

document.writeln('             Author=meizz align=right><input Author=meizz type=button value=">" onclick="meizzNextM()" ');

document.writeln('             onfocus="this.blur()" title="后一月" style="cursor: hand;BACKGROUND-COLOR: #808080;BORDER-BOTTOM: #808080 1px outset; BORDER-LEFT: #808080 1px outset; BORDER-RIGHT: #808080 1px outset; BORDER-TOP: #808080 1px outset;font-size: 12px; height: 20px;color: #FFD700; font-weight: bold"><input ');

document.writeln('             Author=meizz type=button value=" >>" title="后一年" onclick="meizzNextY()"');

document.writeln('             onfocus="this.blur()" style="cursor: hand;BACKGROUND-COLOR: #808080;BORDER-BOTTOM: #808080 1px outset; BORDER-LEFT: #808080 1px outset; BORDER-RIGHT: #808080 1px outset; BORDER-TOP: #808080 1px outset;font-size: 12px; height: 20px;color: #FFD700; font-weight: bold"></td>');

document.writeln('</tr></table></td></tr></table></div>');

 

 

var outObject;

//主调函数

function setday(tt, obj){

  if (arguments.length >  2) { alert("对不起!传入本控件的参数太多!"); return; }

  if (arguments.length == 0) { alert("对不起!您没有传回本控件任何参数!"); return; }

  var dads  = document.all.meizzDateLayer.style;

    var th     = tt;

  var ttop  = tt.offsetTop;     //TT控件的定位点高

  var thei  = tt.clientHeight;  //TT控件本身的高

  var tleft = tt.offsetLeft;    //TT控件的定位点宽

  var ttyp  = tt.type;          //TT控件的类型

  while (tt = tt.offsetParent){

       ttop += tt.offsetTop;

       tleft += tt.offsetLeft;

    }

   

  dads.top  = (ttyp == "image")? ttop + thei : ttop + thei + 6;

  dads.left = tleft;

  outObject = (arguments.length == 1) ? th : obj;

  dads.display = '';

  event.returnValue = false;

}

 

var MonHead = new Array(12);           //定义阳历中每个月的最大天数

    MonHead[0] = 31; MonHead[1] = 28; MonHead[2] = 31; MonHead[3] = 30; MonHead[4]  = 31; MonHead[5]  = 30;

    MonHead[6] = 31; MonHead[7] = 31; MonHead[8] = 30; MonHead[9] = 31; MonHead[10] = 30; MonHead[11] = 31;

 

var tmpDate = new Date();

var meizzTheYear = tmpDate.getFullYear(); //定义年的变量的初始值

var meizzTheMonth = tmpDate.getMonth() + 1; //定义月的变量的初始值

var meizzWDay = new Array(37);               //定义写日期的数组

 

//任意点击时关闭该控件

function document.onclick() {

  with(window.event.srcElement){

       if (tagName != "INPUT" && getAttribute("Author")==null)

           document.all.meizzDateLayer.style.display="none";

  }

}

 

// head 中写入当前的年与月

function meizzWriteHead(yy,mm){

    document.all.meizzYearHead.innerText  = yy;

    document.all.meizzMonthHead.innerText = mm;

}

 

//年份的下拉框

function tmpSelectYearInnerHTML(strYear) {

  if (strYear.match(//D/) != null){

       alert("年份输入参数不是数字!");

       return;

    }

  var m = (strYear) ? strYear : tmpDate.getFullYear();

  if (m < 1000 || m > 9999) {

       alert("年份值不在 1000 9999 之间!");

       return;

    }

  var n = m - 10;

  if (n < 1000)

       n = 1000;

  if (n + 26 > 9999)

       n = 9974;

  var s = "<select Author=meizz name=tmpSelectYear style='font-size: 12px' "

     s += "onblur='document.all.tmpSelectYearLayer.style.display=/"none/"' "

     s += "onchange='document.all.tmpSelectYearLayer.style.display=/"none/";"

     s += "meizzTheYear = this.value; meizzSetDay(meizzTheYear,meizzTheMonth)'>/r/n";

  var selectInnerHTML = s;

  for (var i = n; i < n + 26; i++){

    if (i == m)

       {selectInnerHTML += "<option value='" + i + "' selected>" + i + "" + "</option>/r/n";}

    else {selectInnerHTML += "<option value='" + i + "'>" + i + "" + "</option>/r/n";}

  }

  selectInnerHTML += "</select>";

  document.all.tmpSelectYearLayer.style.display="";

  document.all.tmpSelectYearLayer.innerHTML = selectInnerHTML;

  document.all.tmpSelectYear.focus();

}

 

function tmpSelectMonthInnerHTML(strMonth) //月份的下拉框

{

  if (strMonth.match(//D/)!=null){alert("月份输入参数不是数字!");return;}

  var m = (strMonth) ? strMonth : new Date().getMonth() + 1;

  var s = "<select Author=meizz name=tmpSelectMonth style='font-size: 12px' "

     s += "onblur='document.all.tmpSelectMonthLayer.style.display=/"none/"' "

     s += "onchange='document.all.tmpSelectMonthLayer.style.display=/"none/";"

     s += "meizzTheMonth = this.value; meizzSetDay(meizzTheYear,meizzTheMonth)'>/r/n";

  var selectInnerHTML = s;

  for (var i = 1; i < 13; i++)

  {

    if (i == m)

       {selectInnerHTML += "<option value='"+i+"' selected>"+i+""+"</option>/r/n";}

    else {selectInnerHTML += "<option value='"+i+"'>"+i+""+"</option>/r/n";}

  }

  selectInnerHTML += "</select>";

  document.all.tmpSelectMonthLayer.style.display="";

  document.all.tmpSelectMonthLayer.innerHTML = selectInnerHTML;

  document.all.tmpSelectMonth.focus();

}

 

function closeLayer()               //这个层的关闭

  {

    document.all.meizzDateLayer.style.display="none";

  }

 

function document.onkeydown()

  {

    if (window.event.keyCode==27)document.all.meizzDateLayer.style.display="none";

  }

 

function IsPinYear(year)            //判断是否闰平年

  {

    if (0==year%4&&((year%100!=0)||(year%400==0))) return true;else return false;

  }

 

function GetMonthCount(year,month)  //闰年二月为29

  {

    var c=MonHead[month-1];if((month==2)&&IsPinYear(year)) c++;return c;

  }

 

function GetDOW(day,month,year)     //求某天的星期几

  {

    var dt=new Date(year,month-1,day).getDay()/7; return dt;

  }

 

function meizzPrevY()  //往前翻 Year

  {

    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear--;}

    else{alert("年份超出范围(1000-9999)!");}

    meizzSetDay(meizzTheYear,meizzTheMonth);

  }

function meizzNextY()  //往后翻 Year

  {

    if(meizzTheYear > 999 && meizzTheYear <10000){meizzTheYear++;}

    else{alert("年份超出范围(1000-9999)!");}

    meizzSetDay(meizzTheYear,meizzTheMonth);

  }

function meizzToday()  //Today Button

  {

    meizzTheYear = new Date().getFullYear();

    meizzTheMonth = new Date().getMonth()+1;

    meizzSetDay(meizzTheYear,meizzTheMonth);

  }

function meizzPrevM()  //往前翻月份

  {

    if(meizzTheMonth>1){meizzTheMonth--}else{meizzTheYear--;meizzTheMonth=12;}

    meizzSetDay(meizzTheYear,meizzTheMonth);

  }

function meizzNextM()  //往后翻月份

  {

    if(meizzTheMonth==12){meizzTheYear++;meizzTheMonth=1}else{meizzTheMonth++}

    meizzSetDay(meizzTheYear,meizzTheMonth);

  }

 

function meizzSetDay(yy, mm)   //主要的写程序**********

{

  meizzWriteHead(yy,mm);

  for (var i = 0; i < 37; i++){meizzWDay[i]=""};  //将显示框的内容全部清空

  var day1 = 1,firstday = new Date(yy,mm-1,1).getDay();  //某月第一天的星期几

  for (var i = firstday; day1 < GetMonthCount(yy,mm)+1; i++){meizzWDay[i]=day1;day1++;}

  for (var i = 0; i < 37; i++)

  { var da = eval("document.all.meizzDay"+i)     //书写新的一个月的日期星期排列

    if (meizzWDay[i]!="")

      { da.innerHTML = "<b>" + meizzWDay[i] + "</b>";

        da.style.backgroundColor = (yy == new Date().getFullYear() &&

        mm == new Date().getMonth()+1 && meizzWDay[i] == new Date().getDate()) ? "#FFD700" : "#73a6de";

        da.style.cursor="hand"

      }

    else{da.innerHTML="";da.style.backgroundColor="";da.style.cursor="default"}

  }

}

function meizzDayClick(n)  //点击显示框选取日期,主输入函数*************

{

  var yy = meizzTheYear;

  var mm = meizzTheMonth;

  if (mm < 10){mm = "0" + mm;}

  if (outObject)

  {

    if (!n) {outObject.value=""; return;}

    if ( n < 10){n = "0" + n;}

    outObject.value= yy + "-" + mm + "-" + n ; //注:在这里你可以输出改成你想要的格式

    closeLayer();

  }

  else {closeLayer(); alert("您所要输出的控件对象并不存在!");}

}

meizzSetDay(meizzTheYear,meizzTheMonth);

// -->

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